# SDR GTIA2020033035137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2020
- Submitted: March 30, 2020
- Operation: Air carrier
- Aircraft: [N620NK](https://openairdocs.org/aircraft/N620NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 5624
- Aircraft time: 26,490 hours, 12,173 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Odor
- Location: Ac System
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2020033035137

## Discrepancy

HAD DIRTY SOCK SMELL ON CLIMBOUT IN BACK OF CABIN. SHUT OFF #2 PACK OFF PER PROCEDURE & SMELL WENT AWAY. IT CAME BACK AS SOON AS WE DESCENDED INTO CLOUDS ON SHORT FINAL AROUND 5000-FOUND TO RESIDUAL FROM EARLIER EVENT. REPLACED FILTER IAW AMM 21-21-41. AFTER TROUBLESHOOTING IAW TSM 05-50-00-810-831-A.

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